1.When I jailbreak it i'll be able to use it with sprint right?(Thats who currently is my phone provider) What do I do to activate it with sprint, do I just take the sim card out of my old phone and stick it in the iphone and thats it? Plz expain

1.When I jailbreak it i'll be able to use it with sprint right?(Thats who currently is my phone provider) What do I do to activate it with sprint, do I just take the sim card out of my old phone and stick it in the iphone and thats it? Plz expain